diff --git a/src/message.c b/src/message.c
index df8524a3..0b035cff 100644
--- a/src/message.c
+++ b/src/message.c
@@ -256,10 +256,12 @@ int process_message(struct session_data *sdata, struct _state *state, struct __d
    fd = open(state->message_id_hash, O_CREAT|O_EXCL|O_RDWR|O_TRUNC, S_IRUSR|S_IWUSR);
    if(fd == -1){
       remove_stripped_attachments(state);
+      if(cfg->verbosity >= _LOG_DEBUG) syslog(LOG_PRIORITY, "%s: touch %s FAILED (%s)", sdata->ttmpfile, state->message_id_hash, state->message_id);
       return ERR_EXISTS;
    }
    close(fd);
 
+   if(cfg->verbosity >= _LOG_DEBUG) syslog(LOG_PRIORITY, "%s: touch %s OK (%s)", sdata->ttmpfile, state->message_id_hash, state->message_id);
 
    /* store base64 encoded file attachments */